Scientific Name
Hemigrammus erythrozonus

Common Name
Glowlight tetra

Biology
Feeds on worms, small crustaceans and plants (Ref. 7020). Maximum length questionable (Ref. 38376). Maximum length reported to reach 4 cm TL (Ref. 7020). A popular aquarium fish (Ref. 598). Aquarium keeping: in groups of 5 or more individuals; minimum aquarium size 60 cm (Ref. 51539).

Classification

Classified By

Durbin, 1909

Class

Ray-finned fishes (Actinopterygii)

Order

Characins (Characiformes)

Family

Characins (Characidae)

Distribution

Region

South America

Distribution

South America: Essequibo River.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

24 °C

Water Temperature To

28 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

benthopelagic

Environment

Freshwater; ; pH range: 6.0 - 8.0; dH range: 5 - 12 benthopelagic

Trophic Level

2.87 s.e. 0.32 Based on food items.

Occurs in Marine / Salt water

False

Occurs in Brackish water

False

Occurs in Fresh Water

True

Occurs on Reefs

False

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

3.3 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Aquarium: highly commercial

Vulnerability

Low vulnerability (10 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated